Hayward EC40AC Perflex Extended-Cycle D.E. Pool Filter
http://www.amazon.com/dp/B000EVSUK2?tag=takingchances-21-20
Feature
* Pump-to-filter union connection provides simple installation and winterization
* Corrosion-proof; filter only
* 20-square-foot effective filtration area; injection-molded Duralon filter tank
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http://www.amazon.com/dp/B000EVSUK2?tag=takingchances-21-20